Planoqraph co



w. A. DEMPSEY. I AUTOMATIC FILLING REPLENISHING 1.00M. APPLICATION FILEDAUG- 19; 19H}.

Patented July 22, 1919.

2 SHEETS-SHEET 1.

Fig.1.

\n entop WiHiam A. Dempsey by W5MTmmaml Atlys.

THE COLUMBIA PLANQGRAPH c0.. WASHINGTON, n. c.

APPLICATION FILED AUG-19,19IB.

Patented July 22, 1919.

2 SHEETS-SHEET '2.

Fig 2.

Inventor.

WiIIiumADem byWSM THE COLUMBIA PLANOGRAPH (20., WASHINdToN, D. c.

UNITED STATES PATENT OFFICE- WIL IAMA. DEMPSEY, OFSCRANTON,PENNSYLVANIA, AssieNonTo DRAPER CORIPQRATION, onHoPEnA n-MAssAcH sn'rrs,n ooRPonATIoNoF MAINE.

thereof is to'provide meansfor preventingthe severed filling ends fromlodging in the bearings of the take-up or sand roll or the guide rollsadjacent thereto which direct the Web of cloth.

In automatic filling replenishing looms of the Northrop type in whichupon substantial exhaustion of filling upon the filling carrier in therunning shuttle a new filling carrier is thrust into and an old fillingcarrier discharged from the shuttlev the filling is engaged by thecutter andclamp of; the shuttle feeler which severs the filling and thenmoves forward carrying the filling end into the path of thetemple threadcutter which thereafter cuts the filling end close to the edge orselvage of the web of cloth. The fillingend thus severed is thenreleased and drops to the fioor or to a suitable receptacle.

Frequently however the severed filling end, particularly when hardtwisted yarn which kinks readily is being used, snaps, floats or fallsinto the bearing of the .takeup orsand roll orinto "the bearing of theguide rolls adjacentwzwhich direct the web of cloth. The accumulation ofthreads thus lodged in the bearings of the take-up or guide rollsbecomes wound around the shafts of said rolls and produces aheavyfriction againstv the rotation of the rolls and eventually jams therolls. The removal of such anaccumulation of yarn is difficult andrequires considerable time. Furthermore, the

filling ends thuscaught in the bearings of therolls accumulateconsiderable grease and in. removing them the workman is likely toinadvertently transfer some of this grease to the web of cloth.

The present invention therefore contemiplates. the provision; ofguarding means which. will prevent the severed filling ends frombecoming lodged in the bearings of the nu'roivrnrrc nILLINe-nEPLENIsHINeLOQM.

Specification of Letters Patent.

Application filed August .19, 1918. Serial No. 250,450.

' rolls orin the mally withheld from action by an Patented Jui 22, 1919.

up or sand roll.

gears which operate the take- Other objects and features of the inven- Ition will more fully appear from the following description andaccompanying drawings and will be claims. i

In the drawings:

pointed out in the annexed Figure 1 is a plan viewio f a sufficient portion of the end of a loom 'o f'the well known Northrop type toillustrate my invention applied thereto, p

Fig. 2 is a vertical transverse sectional View throughthe breast beam,and the takeup, guide and cloth roll,

Fig. 3 is adetail invention overlying the end the take-up and guiderolls,

Fig. 4 is a side view ofparts corresponding to those illustrated in Fig.3, and,

plan view showing my and bear ng of Fig. 5 is a detail sectionalviewillustrating the mannerin which the gu embody beam of the loom.

My invention is illustrated herein as ap- 111g my invention is securedto the breast plied to the well" known type of Northrop automaticfilling replenishlng loom, a suflicient portion of the battery end ofwhich is shown ln 'Flg. 1 to illustrate the manner in which myinventionisassociated therewith.

The parts of the loom thus illustrated coniprise thelay 1' having "atits end the shuttle box 2 adapted to receive the usual shuttle,

a rotary hopper 3 adapted to carry a-ci'rcular series'of fresh fillingcarriers, which are transferred to the running shuttle b" the'transferrer l which 1s controlled by a controller shaft 5 and actuatedby the usual hunter mechanism not shown} The invention is moreparticularly adapted for use in an automatic loom wherein replenishmenttakes place prior to complete exhaustion and preferably, therefore, thecontroller shaftj5 'is actuated in the usual mannerlby feeler' mechanismand weft fork mechanism.

'The loom -iisalso provided with a shuttle feeler 6 having threadcutting and clamp ing devices 7, 8, said shuttle feeler being norsecuredto the controller shaft 5 and over* arm 9 lying a stud 10 upon the armof the shuttle feelera The thread cutting and clamping devices of theshuttle feeler are actuated bythe usualcam 11 carried by an arm 12mounted feelerrocks forward lnto its normal poslthe usual manner.

' ered by the temple thread cutteradjacent- 5();l )h(-}} selvagle of thecloth-ashort. piece of v The take-up "(31* sad r011 17 is journaled insuitable bearings 18in the loom'side (see Fig. 2) and desirably isprovided with a a te din bou the perip f said roll through whichrotation may be transmitted to it." The loom is also provided with oneor more suitableguide rolls, adjacent the take-up roll to direct thecloth, such as the guide roll '20 which is carried in a crescent-shapedbearing. 21 at the end of a bracket 22'projecting rearwardly from thefront portion of the loom frame. The web of cloth'23 is carried eitherdirectly or indirectly over the take-up or sand roll, thence around theguide roll 20 and is finally wound upon thecloth roll 24:, which is 10-cated beneath the take-up or sand roll in The loom construction thusdescribed is one of the usual types of Northrop loom but it willbe'understoodthat my invention is equally applicable to other types. I Whenin the operation of the loom transfer is called for, the shuttle feeler.6 with its attached thread cutter and clamp is advanced and the end ofthe filling running from the fell of thecloth to the shuttleisclampedand severedin the usual manner adjacent the shuttle eye. Astransfer takes place the shuttle tion carrying with it the clamped endof the filling. [As thefilling 'end is thus; drawn forward the portionof it adjacent the fell is drawninto the temple thread cutter inposition to be severed by the latter upon the next beat-up of the lay.

.l/Vhen' the filling end has thus been sevloose "filling is, left eitherhanging to the clamp of the shuttle feeler or in the thread catcher 13if such a, device lSllSQCL/ The clamped end of this thread is releasedupon the next backward movement of the shuttle: feeler and dropped, orif engaged by a thread catcher, is, eventually dropped. In T eithercasei-this loose piece of filling. end-F particularly if ofa kinkynature-is likely .;to snap or float oflsopas to become lodged either nthe gearing or bearlng of the takeuproll or of a guide roll or possiblyof-"the cloth roll itself, and as before stated, where il l hqulnulatioll of such threads is wound abput the shafts, of therolls-adjacent their bearings a great 'amountofffriction is iniposedwhich interferes with the proper action of the take-up roll andattimes-results in an uneven weave of cloth. Furthermore the friction thusimposed upon the shaft of power to operate the loom. 7 V H 'Ilhe presentinvention contemplates obviating these defectsby providing a guard whichwill overlie the bearings of the takeup roll and guiderollso as todivert any loose fillingend; which maybe dropped and the take-up rollrequires considerably more 7 thereby preventgitsbecoming. entangled in.

, the bearing. .of any of the rolls above men;

tioned. H V A preferre embodiment of-my invention which is illustratedhereincomprises plate I 25 of generally cylindrical contour adapted tooverlie the endof the take5up.roll?17, its 7 1 bearing 18 and gear 19and also to overlie the bearing 21 of the guide roll 20.)

The cylindrical curved plate 25 maybe: provided with an aperture 26 toreceive and substantially to fit overthe end of the crescent-shapedbearing 21-for'the guide roll 20. The guard plate 25 is provided withan-offset flat extension 27 adapted to'rest upon the breast beam andprovided with a longitudinal slot 28 to receive a bolt 29 extendingthrough the breast beam by means of which said plate may beadjustablysecured. in place. y i The bolt 29v thus utilized may be one which F isadapted to, secure the fork mechanism tothe breastbeam wherea doubleforlrmechanismi-s used. 7 i Y 1 i In order to insure covering of thebear ing of the take-up roll the guard plate 25 is, provided 3 with; anextension 3 0"whichforms a substantial continuation .ofythecylind-rically curved portion; thereof and 6X5. 1

tends preferably over the middle of theend of the. take-up rollp' i J iThe extensions 2'? and 30 preferably are integral with the plate 25amare separated by a kerf 31 which enables the extension 27 to be offsetin the mannerabove described;

In order to insure the dischargeof any.

loose' filling end which may lo dge 'uponthe surface of the guard plate25 the-extension 30.may be and desirably is provided with a" downwardlyturned 1 end 3 2 which rests the; path of the'peripheral gear' 19' onthe;

;end'-of the take-iup roll and thus effects vi burden of: the guard"plate as the 'take up rotates- It will be readily understood that 'the'guard 25 thuslloeated will preventauypos sibility of the filling endwhich is severed at onelendab r the cutter upon the; shuttle feeler andat the otherend 'bythe temple 'threa-dcutter from being 'carried intothe bearing. of any of; the rolls orahylgearihQ all: of thedb jection's'heretofore inent ionedf which ac-tuates said rolls, thereby avoiding Itwill be understood that the embodiment of the invention disclosed'hereinis illustrative and not restrictive and that various modifications maybe made within the meaning and scope of the following claims.

Having thus described my invention what I claim as new and desireto'secure by Letters Patent is: r

1. In a loom comprising weaving mechanism and including a take-up rolland means for severing the filling beyond the edge of the web of cloth,means for preventing filling ends thus severed from lodging upon thebearing of said take-up roll including a guard plate overlying the endof said roll and adapted to deflect the falling severed .ends'away fromsaid bearing.

2. In a loom comprising weaving mechanism and including cloth, take-upand guide rolls and means for severing the filling be-. yond the edge ofthe web of cloth, means for preventing the filling ends thus severedfrom being carried into the bearings of said rolls including a vibratoryguard plate positioned to deflect the falling severed ends away fromsaid bearings.

3. In a loom comprising weaving mechanism including cloth, take-up andguide rolls, and means for severing the filling beyond the edge of theweb of cloth, means for preventing the filling ends thus severed frombeing carried into the bearings of said rolls comprising a curved plateoverlying the ends of the said rolls and having an extension secured tothe breast beam.

4. In a loom comprising weaving mechanism including cloth, take-up andguide rolls, and means for severing the filling beyond the edge of theweb of cloth, a curved plate overlying the ends of said take-up andguide rolls and recessed to receive a portion of a guide roll journaland having gear at its end adjacent the battery end of the loom andmeans for severing the ends of filling beyond the edge of the web ofcloth, means for preventing filling ends from being carried into saidgear or the bearings of said take-up roll including a guard plate curvedcylindrically to conform substantially to the contour of said take-uproll and having extensions, one of said extensions being oifset andsecured to the breast beam and the other'extension provided with aflange engaging the teeth upon said peripheral gear whereby said guardwill be vibrated by the rotation of the takeup roll and filling endswhich may have lodged upon it shaken off.

6. A guard for the bearing of the take-up roll of a loom comprising aplate cylindrically curved to conform substantially to the contour ofthe take-up roll and having an offset extension adapted to be secured toa stationary part of the loom.

7. A guard for the bearing of the take-up roll of a loom comprising aplate cylindrically curved to conform substantially to the contour ofthe take-up roll and having separated extensions, one offset and slottedto provide means of attachment to a stationary portion of the loom andthe other of said extensions provided with a flange adapted to rest uponthe peripheral gear of the take-up roll.

In testimony whereof, I have signed my name to this specification.

WILLIAM A. DEMPSEY.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

. Washington, D. C.

